@article{baker:hal-02068252,
TITLE = {All principal congruence link groups},
AUTHOR = {Baker, Mark D. and Goerner, Matthias and Reid, Alan W.},
URL = {https://hal.science/hal-02068252},
JOURNAL = {Journal of Algebra},
PUBLISHER = {Elsevier},
VOLUME = {528},
PAGES = {497-504},
YEAR = {2019},
DOI = {10.1016/j.jalgebra.2019.02.023},
KEYWORDS = {Link complement Bianchi group Congruence subgroup},
HAL_ID = {hal-02068252},
HAL_VERSION = {v1},
}